Did you install both servers

Did you install both servers at the same time? Did you see this in the log? What happens if you shut down the other EV Server and restart this one?

EV~W Event ID: 8570 The Directory Service is waiting for another Directory Service to complete an update of the EnterpriseVaultDirectory database, or waiting to get exclusive access to the EnterpriseVaultDirectory database. Please ensure no applications, for example SQL Enterprise Manager or SQL Query Analyzer, are accessing the EnterpriseVaultDirectory database.| |The EnterpriseVaultDirectory database is in multi user access mode.|The current EnterpriseVaultDirectory database connections areComputer Name : LEXLABEV1|Program Name : .Net SqlClient Data Provider|Login Name : LEXLAB\evservices|Connections

Yes, I followed does step to

Yes, I followed does step to install the new server, and yes the new server appears on the VAC, and it the only indexing service. as you can see in the Picture, I´m not sure but this migth started after I install the EV 10.0.4 CHF3